Stroll as a result of Piccadilly Circus like Harry, Ron, and Hermione did at the same time as fleeing Death Eaters in Deathly Hallows
https://tysoncjyo890.almoheet-travel.com/harry-potter-themed-tours-in-london-walking-vs-bus-vs-private-1
Stroll as a result of Piccadilly Circus like Harry, Ron, and Hermione did at the same time fleeing Death Eaters in Deathly Hallows, mixing magic with metropolis lighting fixtures.